Question

Calculate the radius of the 3rd orbit of the electron in hydrogen atom.
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Answer 1

Explanation:

the formulae of any radius of an orbit is = 0.529×n^2/z . so the radius of the third orbit of hydrogen is = 0.529×3^2/1=4.761 Å. ...... where n= no of orbit and z= atomic number.

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Answer 2

1. He said that he saw a panther that morning.

2. No other runner in our school is as fast as Kiran.

3. Her grandmother's spectacles were hidden by Susan.

4. Ali was so embarrassed that he could not speak clearly.

5. No sooner did the election results were out that the victory procession started.

6. Ranji would rather read a book or watch a movie.

7. Despite not studying enough, Anu still stands first.

8. Unless Aruna practices, she will not Winn the competitiion.